Key Points Opendoor stock has jumped more than 1,000% in the last three months. Upstart has a number of similarities to Opendoor. The fintech company has proven its model can work even in a high-interest-rate environment. 10 stocks we like better than Upstart › Opendoor Technologies (NASDAQ: OPEN) dazzled investors over the last three months like few other stocks. The online home-flipper jumped an incredible 1,400% over the last three months, going from a little over $0.50 a share to more than $10 ...